oj.uz

Submission #641652

# Submission time Handle Problem Language Result Execution time Memory
641652 2022-09-17T10:51:09 Z flappybird None (JOI16_dungeon2) C++17
94 / 100
 17 ms 1876 KB 
#include "dungeon2.h"
#include <bits/stdc++.h>
#define MAX 250

using namespace std;
typedef pair<int, int> pii;

vector<pii> tree[MAX], up[MAX];
vector<int> backe[MAX], adj[MAX];
int prt[MAX];
int prtl[MAX];
int ans[MAX];
int dist[MAX][MAX];

int pow3[6] = { 1, 3, 9, 27, 81, 243 };

int cnt = 1;

void dfs(int x = 1, int p = 0, int pv = -1) {
	prt[x] = p;
	prtl[x] = pv;
	int deg = NumberOfRoads();
	int i;
	for (i = 1; i <= deg; i++) if (i != pv) {
		Move(i, 2);
		if (Color() == 2) backe[x].push_back(i), Move(LastRoad(), 2);
		else cnt++, tree[x].emplace_back(cnt, i), dfs(cnt, x, LastRoad());
	}
	if (x > 1) Move(pv, 2);
}

void updown(int x = 1) {
	for (auto v : backe[x]) {
		Move(v, 1);
		if (Color() == 1) up[x].emplace_back(0, v);
		Move(LastRoad(), Color());
	}
	for (auto& [v, e] : tree[x]) {
		Move(e, 1);
		updown(v);
	}
	if (x > 1) Move(prtl[x], 1);
}

int getv(int x, int k) {
	while (k--) x /= 3;
	return (x % 3) + 1;
}

void upd(int x, int k) {
	for (auto& [v, e] : tree[x]) {
		Move(e, getv(x, k));
		upd(v, k);
	}
	if (x > 1) Move(prtl[x], getv(x, k));
}

void addv(int x, int k) {
	for (auto& [v, e] : up[x]) {
		Move(e, getv(x, k));
		v += pow3[k] * (Color() - 1);
		Move(LastRoad(), Color());
	}
	for (auto& [v, e] : tree[x]) {
		Move(e, getv(x, k));
		addv(v, k);
	}
	if (x > 1) Move(prtl[x], getv(x, k));
}

void getdis(int x) {
	queue<int> q;
	q.push(x);
	while (q.size()) {
		int t = q.front();
		q.pop();
		for (auto v : adj[t]) {
			if (!dist[x][v]) {
				dist[x][v] = dist[x][t] + 1;
				q.push(v);
			}
		}
	}
}

void Inspect(int R) {
	dfs();
	updown();
	for (int k = 0; k < 6; k++) addv(1, k);
	int i, j;
	for (i = 1; i <= cnt; i++) for (auto& [v, e] : up[i]) adj[i].push_back(v), adj[v].push_back(i);
	for (i = 1; i <= cnt; i++) for (auto& [v, e] : tree[i]) adj[i].push_back(v), adj[v].push_back(i);
	for (i = 1; i <= cnt; i++) getdis(i);
	for (i = 1; i <= cnt; i++) for (j = i + 1; j <= cnt; j++) ans[dist[i][j]]++;
	for (i = 1; i <= R; i++) Answer(i, ans[i]);
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 464 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 464 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct

Subtask #2
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 464 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 464 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct

Subtask #3
50.0 / 56.0

# Verdict Execution time Memory Grader output
1 Partially correct 2 ms 844 KB Partially correct
2 Partially correct 2 ms 852 KB Partially correct
3 Partially correct 3 ms 920 KB Partially correct
4 Partially correct 17 ms 1876 KB Partially correct
5 Partially correct 1 ms 468 KB Partially correct
6 Partially correct 1 ms 724 KB Partially correct
7 Partially correct 2 ms 848 KB Partially correct
8 Partially correct 2 ms 980 KB Partially correct
9 Partially correct 2 ms 980 KB Partially correct
10 Partially correct 2 ms 980 KB Partially correct
11 Partially correct 3 ms 980 KB Partially correct
12 Partially correct 3 ms 980 KB Partially correct
13 Partially correct 5 ms 1112 KB Partially correct
14 Partially correct 2 ms 852 KB Partially correct
15 Partially correct 2 ms 980 KB Partially correct
16 Partially correct 4 ms 852 KB Partially correct
17 Partially correct 17 ms 1736 KB Partially correct
18 Partially correct 15 ms 1796 KB Partially correct
19 Partially correct 16 ms 1784 KB Partially correct